function constant() {
  return () => arguments[1];
}

let result = constant(1);
console.log(result()); // 1
let s = Symbol(`foo`);
console.log(s instanceof Symbol);
const obj = {
  a: `list`,
  toString() {
    return `hello`;
  }
};
const sym = Symbol(obj);
console.log(sym); // Symbol(abc)
